98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/*
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* $Id: StdAwk.hpp 468 2008-12-10 10:19:59Z baconevi $
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*
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* {License}
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*/
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#ifndef _ASE_AWK_STDAWK_HPP_
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#define _ASE_AWK_STDAWK_HPP_
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#include <ase/awk/Awk.hpp>
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/////////////////////////////////
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ASE_BEGIN_NAMESPACE(ASE)
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/////////////////////////////////
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/**
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* Provides a more useful AWK interpreter by overriding primitive methods,
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* the file handler, the pipe handler and implementing common AWK intrinsic
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* functions.
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*/
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class StdAwk: public Awk
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{
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public:
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StdAwk ();
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int open ();
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protected:
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// intrinsic functions
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int sin (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int cos (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int tan (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int atan (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int atan2 (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int log (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int exp (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int sqrt (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int fnint (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int rand (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int srand (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int systime (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int strftime (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int strfgmtime (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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int system (Run& run, Return& ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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// pipe io handlers
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int openPipe (Pipe& io);
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int closePipe (Pipe& io);
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ssize_t readPipe (Pipe& io, char_t* buf, size_t len);
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ssize_t writePipe (Pipe& io, char_t* buf, size_t len);
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int flushPipe (Pipe& io);
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// file io handlers
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int openFile (File& io);
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int closeFile (File& io);
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ssize_t readFile (File& io, char_t* buf, size_t len);
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ssize_t writeFile (File& io, char_t* buf, size_t len);
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int flushFile (File& io);
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// primitive handlers
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void* allocMem (size_t n);
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void* reallocMem (void* ptr, size_t n);
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void freeMem (void* ptr);
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bool_t isType (cint_t c, ccls_type_t type);
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cint_t transCase (cint_t c, ccls_type_t type);
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real_t pow (real_t x, real_t y);
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int vsprintf (char_t* buf, size_t size,
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const char_t* fmt, va_list arg);
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protected:
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unsigned int seed;
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};
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/////////////////////////////////
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ASE_END_NAMESPACE(ASE)
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/////////////////////////////////
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#endif
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